Mountain Bike Wheel Diameter Calculator
The venerable sheldon brown has a gear calculator that uses a different method to determine wheel size.
Mountain bike wheel diameter calculator. A 650b diameter tyre fitted to 650b iso584mm diameter rims give the rider a wheel where the approximate outside diameter of the 650b tyre is the same as that of a 29in iso622mm wheel and standard 2 25in iso57mm tyre. The idea is that a smaller diameter rim lets you run a fatter tire assuming your frame clearance is sufficient. I like to think of it as changing the ratio of tire to rim where the overall diameter of the wheel remains consistent. This allows our program to make recomendations such as rims hubs spokes and nipples.
Above is an interactive chart click it tap it that gives us the equivalent tire width for various rim diameters. Colors group similar values. Note all products are located in this program. This is the ultimate in custom wheel configuration.
Mountain bike size chart. So make sure you look at a tire size chart and try a full suspension mountain bike for size before buying. Our custom wheel program takes into account your bicycle type body weight and intended use. His calculator uses an pre defined diameter for every rim tire combination and his diameters are almost always different than what the math would predict.
Should be a blast and rumor has it not too many people have entered so you might be able to win the damn thing. Don t miss the downhill mountain bike race this saturday at bousquet s ski area. Mountain bike sizing can be affected by suspension and your tire choices. 80 is green 50ish 80 blue and below 50 red.